{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:52.389826", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2016-Jul-08_to_2016-Jul-11_353.5_19.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2016070001794}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "July 08 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 11 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 152666.24437342808}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Mali", "Mauritania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 19.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 353.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "353.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 350.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 357.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.18, 18.68], [-6.03, 19.03], [-5.5, 19.25], [-5.25, 19.15], [-5.18, 19.18], [-5.03, 19.53], [-4.5, 19.75], [-4.25, 19.65], [-4.18, 19.68], [-4.03, 20.03], [-3.5, 20.25], [-2.97, 20.03], [-2.82, 19.68], [-2.47, 19.53], [-2.32, 19.18], [-1.97, 19.03], [-1.75, 18.5], [-1.85, 18.25], [-1.75, 18.0], [-1.97, 17.47], [-2.5, 17.25], [-2.75, 17.35], [-3.0, 17.25], [-3.25, 17.35], [-3.32, 17.32], [-3.47, 16.97], [-3.82, 16.82], [-3.97, 16.47], [-4.5, 16.25], [-4.75, 16.35], [-5.0, 16.25], [-5.25, 16.35], [-5.5, 16.25], [-6.03, 16.47], [-6.18, 16.82], [-6.25, 16.85], [-6.5, 16.75], [-7.03, 16.97], [-7.25, 17.5], [-7.03, 18.03], [-6.68, 18.18], [-6.53, 18.53], [-6.18, 18.68]]]]}, "2016-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.25, 18.0], [-10.03, 18.53], [-9.5, 18.75], [-9.25, 18.65], [-9.18, 18.68], [-9.03, 19.03], [-8.68, 19.18], [-8.53, 19.53], [-8.18, 19.68], [-8.03, 20.03], [-7.68, 20.18], [-7.65, 20.25], [-7.75, 20.5], [-7.53, 21.03], [-7.0, 21.25], [-6.47, 21.03], [-6.32, 20.68], [-5.97, 20.53], [-5.82, 20.18], 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[-10.03, 18.53], [-9.5, 18.75], [-9.25, 18.65], [-9.18, 18.68], [-9.03, 19.03], [-8.68, 19.18], [-8.53, 19.53], [-8.18, 19.68], [-8.03, 20.03], [-7.68, 20.18], [-7.65, 20.25], [-7.75, 20.5], [-7.53, 21.03], [-7.0, 21.25], [-6.47, 21.03], [-6.32, 20.68], [-5.97, 20.53], [-5.82, 20.18], [-5.47, 20.03], [-5.25, 19.5], [-5.37, 19.2], [-5.25, 19.15], [-5.18, 19.18], [-5.03, 19.53], [-4.5, 19.75], [-4.25, 19.65], [-4.18, 19.68], [-4.03, 20.03], [-3.5, 20.25], [-2.97, 20.03], [-2.82, 19.68], [-2.47, 19.53], [-2.32, 19.18], [-1.97, 19.03], [-1.75, 18.5], [-1.85, 18.25], [-1.75, 18.0], [-1.97, 17.47], [-2.5, 17.25], [-2.75, 17.35], [-3.0, 17.25], [-3.25, 17.35], [-3.32, 17.32], [-3.47, 16.97], [-3.82, 16.82], [-3.97, 16.47], [-4.5, 16.25], [-4.75, 16.35], [-5.0, 16.25], [-5.25, 16.35], [-5.5, 16.25], [-6.03, 16.47], [-6.18, 16.82], [-6.25, 16.85], [-6.32, 16.82], [-6.47, 16.47], [-6.82, 16.32], [-6.97, 15.97], [-7.5, 15.75], [-8.03, 15.97], [-8.18, 16.32], [-8.53, 16.47], [-8.68, 16.82], 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{"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.970223113130828}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.429701681936185}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [35.87083371721104, 37.159637452897414, 36.56336834622647, 36.31531320640329]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.93172412070936, 38.40374815511581, 38.47352481402157, 37.28349706980913]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7869719886429376, 2.9873964766407144, 2.4049152612756277, 2.015400332681429]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5112476237405303, 3.970223113130828, 3.780957995850258, 2.9248661306818917]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.371391349521688, 2.300058932249227, 1.844869809032806, 1.535848028818347]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7778884354495046, 2.947861851148352, 3.4435912258373174, 2.2485659843728305]}}